| abstract |
A raw material composition suitably used for synthesizing a porous metal fluoride having a large surface area and stable even in a corrosive atmosphere, and a large surface area, for example, by fluorinating the raw material composition To provide a porous metal fluoride that is stable even under a corrosive atmosphere, and to provide a fluorination catalyst containing the porous metal fluoride. A raw material composition for synthesizing porous metal fluorides, comprising a metal compound containing a silicon compound. Porous metal fluoride that has a large surface area and is stable even in corrosive atmospheres. A porous metallized fluoride obtained by treating the raw material composition with hydrogen fluoride. [Selection figure] None |